| Dimensions | H 835 × W 218 × D 202 mm | 
        
            | Weight | Approx. 16 kg | 
        
            | Power supply voltage | 100-240 V AC, 50/60 Hz, 250 VA | 
        
            | Ranges | NO: 0–100 ppm…5000 ppm SO2: 0–100 ppm…10 vol%
 CO: 0–100 ppm…100 vol%
 CO2: 0–100 ppm…100 vol%
 CH4: 0–200 ppm…100 vol%
 O2: 0–10 vol%…25 vol%
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            | Principle | Non-dispersive infrared sensor (double beam) External zirconia sensor for O2 measurement (ZFK7)
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            | Repeatability | ±0.5% FS | 
        
            | Zero drift | ±1.0% FS per week (±2% FS per week for 100–200 ppm range) | 
        
            | Span drift | ±2.0% FS per week | 
        
            | Gas sampling amount | Approx. 0.5 L/min | 
        
            | Response time | ≤ 60 s | 
        
            | Output signal | 4–20 mA DC or 0–1 V DC | 
        
            | Contact output | Device error, range identification, under auto-calibration, pump ON/OFF, limit alarm | 
        
            | Contact input | Remote switchover of ranges, auto-calibration remote start, remote hold | 
        
            | Standard functions | Output signal hold, remote output hold, range switch, range identification, auto calibration, auto calibration remote start, auto zero calibration, device error, pump ON/OFF, average reset, auto calibration interlocking | 
        
            | Option | O2 correction, O2 corrected average values, communication |